WO2020063569A1 - Plaque de diffusion et lampe ayant une plaque de diffusion - Google Patents

Plaque de diffusion et lampe ayant une plaque de diffusion Download PDF

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Publication number
WO2020063569A1
WO2020063569A1 PCT/CN2019/107451 CN2019107451W WO2020063569A1 WO 2020063569 A1 WO2020063569 A1 WO 2020063569A1 CN 2019107451 W CN2019107451 W CN 2019107451W WO 2020063569 A1 WO2020063569 A1 WO 2020063569A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
diffusion plate
lamp
housing
microstructures
Prior art date
Application number
PCT/CN2019/107451
Other languages
English (en)
Chinese (zh)
Inventor
谯胜杰
倪国龙
Original Assignee
欧普照明股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 欧普照明股份有限公司 filed Critical 欧普照明股份有限公司
Publication of WO2020063569A1 publication Critical patent/WO2020063569A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution

Definitions

  • the utility model relates to a diffusion plate and a lamp having the same.
  • the conventional method is a light guide plate + diffusion plate scheme.
  • the diffuser is an optical element often used in optical design. Its main function is to sufficiently diffuse the incident light to achieve a soft and uniform irradiation effect.
  • the traditional diffusion plate mainly adds chemical particles as scattering particles in the substrate of the diffusion plate, so that when the light passes through the scattering layer, it continuously refracts, reflects and scatters in two media with different refractive indices, thereby generating optical diffusion. Effect.
  • the absorption of light by diffusing particles will inevitably occur, resulting in a decrease in the utilization rate of light energy.
  • the purpose of the utility model is to solve the above problems, and provide a micro-structured light diffusion plate, which can effectively reduce glare and achieve a softer and uniform irradiation effect.
  • the technical solution adopted by the present utility model is to provide a diffuser plate including a light incident surface and a light emitting surface.
  • the light emitting surface of the diffuser plate is provided with continuous microstructures.
  • the microstructures are arranged in a honeycomb shape.
  • each of said microstructures has a curved surface.
  • each of said microstructures has a convex surface.
  • each of said microstructures has a concave surface.
  • each of the microstructures is the same, and the width ranges from 5 mm to 15 mm.
  • the utility model also provides a lamp, which comprises a base, a lamp arm, and a lamp head.
  • the lamp arm is connected to the lamp head and the base, and is characterized in that the lamp head includes a shell; a light source disposed in the shell;
  • the casing has a light outlet, and the diffusion plate as described above covers the light outlet.
  • the lamp head further includes a light guide plate, the light guide plate is disposed between the housing and the diffuser plate, and the light source is disposed on a side of the light guide plate and faces the light guide plate to emit light.
  • the lamp head further includes a reflection paper, and the reflection paper, the light guide plate, and the diffusion plate are sequentially stacked and arranged.
  • the lamp cap further includes a heat dissipation casing
  • the heat dissipation casing includes a bottom portion and a side portion
  • the light source and the side portion of the heat dissipation casing are thermally connected
  • the bottom portion of the heat dissipation casing and the shell are thermally conductive connection.
  • the lamp holder further includes a front pressure ring, which is disposed at the light exit of the housing and is fixedly connected to the housing, and the diffuser plate is pressed on the housing by the front pressure ring. Light exit.
  • a front pressure ring which is disposed at the light exit of the housing and is fixedly connected to the housing, and the diffuser plate is pressed on the housing by the front pressure ring. Light exit.
  • the diffuser plate provided by the utility model has the micro-structure array arrangement on the surface thereof, which causes the light to be refracted in different directions as it passes, and changes the course of the light, thereby reducing glare and achieving a softer and uniform irradiation effect.
  • FIG. 1 is a schematic structural diagram of a diffusion plate of the present invention
  • FIG. 2 is a schematic view of a diffusion plate having a convex surface microstructure
  • FIG. 3 is a light path diagram of a diffuser plate having a convex surface microstructure
  • FIG. 4 is a schematic diagram of a diffusion plate having a concave surface microstructure
  • FIG. 5 is a light path diagram of a diffuser plate having a concave surface microstructure
  • FIG. 6 is a schematic structural diagram of a lamp of the present invention.
  • Fig. 7 is an exploded view of a lamp cap of the lamp of the present invention.
  • FIG. 1 shows a specific embodiment of a diffuser plate provided by the present invention.
  • the diffuser plate 101 is a flat plate structure and includes a light exit surface and a light entrance surface.
  • the diffuser plate 101 cooperates with a circular light fixture and is thus a circular plate shape.
  • the diffuser plate 101 may have any shape according to the shape of the light fixture.
  • the diffuser plate 101 is provided with microstructures on one side of the light emitting surface.
  • the microstructures are continuously arranged in an array. Each microstructure has the same size and shape as a regular hexagon, and all the microstructures are arranged in a honeycomb shape. .
  • the width W of the regular hexagon is in the range of 5 mm to 15 mm. In this way, the microstructure of the surface of the diffuser plate 101 can be seen with the naked eye when in use. When the lamp is lit, the diffuser plate 101 The surface of the material of the conventional diffuser is obviously different, and the outline of the honeycomb achieves a scientific and technological effect through optical action.
  • Each individual microstructure has a curved surface.
  • the curved surface can be a convex surface, as shown in FIG. 2, or a concave surface, as shown in FIG. 4.
  • Figure 3 is the light path diagram of the microstructure on the convex surface.
  • Figure 5 is the light path diagram of the microstructure on the concave surface.
  • the concave surface will diverge light more than the convex surface. In the design, it can be selected according to the needs of the actual product. . Comparing the luminous flux of the diffuser plate 101 in this embodiment with the traditional diffuser plate in the 70-90 degree ring zone, the solution of this embodiment has less luminous flux in this range, so the glare is effectively reduced.
  • the diffuser plate 101 described in this application can be applied to various lamps such as ceiling lamps, chandeliers, and wall lamps.
  • the diffuser plate 101 is applied to a desk lamp as shown in FIG. 6.
  • the table lamp includes a lamp head 1, a base 3, and a lamp arm 2 connecting the lamp head 1 and the base 3.
  • the lamp arm 2 and the lamp head 1, the base 3 are connected through a pivoting structure.
  • the lamp holder 1 includes a housing 106 having an opening portion as a light outlet.
  • the opening portion is provided with a front pressure ring 107.
  • the front pressure ring 107 is connected to the housing by means of snaps, threads, etc. 106 is fixedly connected, and the honeycomb prism diffuser plate 101 provided by the present utility model is set on the light outlet of the casing 106.
  • a housing space is formed between the housing 106 and the diffuser plate 101, and a light source 104, a light guide plate 102, a reflective paper 103, and a heat dissipation case 105 are disposed inside the housing space.
  • the optical design of the base 1 adopts a light guide plate-side light emitting structure, and the light source 104 is arranged around the outer periphery of the light guide plate 102.
  • Light enters from the peripheral side of the light guide plate 102 and exits from a surface facing the diffuser plate 101.
  • a reflective paper 103 is provided on the side of the light guide plate 102 facing away from the diffuser plate 101 so that the light emitted from the back side of the light guide plate 102 can By reflection again, the diffuser plate 101 is turned.
  • the light source 104 is an LED light source.
  • a heat dissipation case 105 is further provided in the lamp cap 1.
  • the heat dissipation case 105 includes a bottom portion having the same shape as the diffuser plate 101, the light guide plate 102, and the reflective paper 103, and a side portion extending from the bottom portion.
  • the reflective paper 103, the light guide plate 102, and the diffuser plate 101 are sequentially stacked from the bottom of the heat dissipation casing 105 to the light outlet, and are surrounded by the side of the heat dissipation casing 105.
  • the light source 103 is disposed on the inner side of the side of the heat dissipation casing 105 and is thermally connected to the heat dissipation casing 105, and the bottom of the heat dissipation casing 105 is in thermal contact with the housing 106 to form a heat conductive connection.
  • the heat generated by the light source 103 is conducted by the heat dissipation case 105 to the case 106 to achieve heat dissipation.
  • the table lamp of this implementation adopts a honeycomb prism structure of the diffuser plate 101, which has a unique appearance and can attract consumers' eyeballs.
  • the optical effect can also meet national standards.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une plaque de diffusion (101), comprenant une surface incidente à la lumière et une surface de sortie de lumière, la surface de sortie de lumière de la plaque de diffusion (101) comportant une microstructure ayant un agencement continu. Une lampe ayant la plaque de diffusion (101) comprend une base (3), une paroi (2) de lampe et une tête (1) de lampe, la paroi (2) de lampe reliant la tête (1) de lampe et la base (3) ; la tête (1) de lampe comprend un logement (106), et une source de lumière (104) disposée à l'intérieur du logement (106) ; le logement (106) comporte un port de sortie de lumière, et la plaque de diffusion (101) recouvre le port de sortie de lumière. Au moyen de l'agencement en réseau d'une microstructure d'une surface de la plaque de diffusion (101), la réfraction se produit dans différentes directions lorsque les rayons de lumière traversent la plaque de diffusion (101), modifiant ainsi le chemin de déplacement de la lumière, ce qui réduit ainsi l'éblouissement et permet d'obtenir un effet d'éclairage plus doux et plus homogène.
PCT/CN2019/107451 2018-09-27 2019-09-24 Plaque de diffusion et lampe ayant une plaque de diffusion WO2020063569A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821579181.8U CN209116253U (zh) 2018-09-27 2018-09-27 一种扩散板和具有该扩散板的灯具
CN201821579181.8 2018-09-27

Publications (1)

Publication Number Publication Date
WO2020063569A1 true WO2020063569A1 (fr) 2020-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/107451 WO2020063569A1 (fr) 2018-09-27 2019-09-24 Plaque de diffusion et lampe ayant une plaque de diffusion

Country Status (2)

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CN (1) CN209116253U (fr)
WO (1) WO2020063569A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209116253U (zh) * 2018-09-27 2019-07-16 欧普照明股份有限公司 一种扩散板和具有该扩散板的灯具
CN115013756B (zh) * 2021-03-05 2023-07-21 北京字节跳动网络技术有限公司 一种发光装置及灯具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452086A (zh) * 2007-12-05 2009-06-10 群康科技(深圳)有限公司 棱镜片、背光模组及液晶显示装置
CN201606821U (zh) * 2009-12-26 2010-10-13 比亚迪股份有限公司 一种导光板及背光模组
CN203309543U (zh) * 2012-06-20 2013-11-27 李洪毅 发光二极管平板灯
CN104110649A (zh) * 2013-04-18 2014-10-22 鸿富锦精密工业（深圳）有限公司 扩散板及背光模组
CN104422985A (zh) * 2013-09-10 2015-03-18 纬创资通股份有限公司 导光板及光源装置
WO2016190719A1 (fr) * 2015-05-27 2016-12-01 주식회사 애니캐스팅 Lentille à del d'unité de rétroéclairage
CN209116253U (zh) * 2018-09-27 2019-07-16 欧普照明股份有限公司 一种扩散板和具有该扩散板的灯具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452086A (zh) * 2007-12-05 2009-06-10 群康科技(深圳)有限公司 棱镜片、背光模组及液晶显示装置
CN201606821U (zh) * 2009-12-26 2010-10-13 比亚迪股份有限公司 一种导光板及背光模组
CN203309543U (zh) * 2012-06-20 2013-11-27 李洪毅 发光二极管平板灯
CN104110649A (zh) * 2013-04-18 2014-10-22 鸿富锦精密工业（深圳）有限公司 扩散板及背光模组
CN104422985A (zh) * 2013-09-10 2015-03-18 纬创资通股份有限公司 导光板及光源装置
WO2016190719A1 (fr) * 2015-05-27 2016-12-01 주식회사 애니캐스팅 Lentille à del d'unité de rétroéclairage
CN209116253U (zh) * 2018-09-27 2019-07-16 欧普照明股份有限公司 一种扩散板和具有该扩散板的灯具

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